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lavc/aarch64: new optimization for 8-bit hevc_pel_uni_pixels

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put_hevc_pel_uni_pixels4_8_c: 35.9
put_hevc_pel_uni_pixels4_8_neon: 7.6
put_hevc_pel_uni_pixels6_8_c: 46.1
put_hevc_pel_uni_pixels6_8_neon: 20.6
put_hevc_pel_uni_pixels8_8_c: 53.4
put_hevc_pel_uni_pixels8_8_neon: 11.6
put_hevc_pel_uni_pixels12_8_c: 89.1
put_hevc_pel_uni_pixels12_8_neon: 25.9
put_hevc_pel_uni_pixels16_8_c: 106.4
put_hevc_pel_uni_pixels16_8_neon: 20.4
put_hevc_pel_uni_pixels24_8_c: 137.6
put_hevc_pel_uni_pixels24_8_neon: 47.1
put_hevc_pel_uni_pixels32_8_c: 173.6
put_hevc_pel_uni_pixels32_8_neon: 54.1
put_hevc_pel_uni_pixels48_8_c: 268.1
put_hevc_pel_uni_pixels48_8_neon: 117.1
put_hevc_pel_uni_pixels64_8_c: 346.1
put_hevc_pel_uni_pixels64_8_neon: 205.9

Signed-off-by: Martin Storsjö <martin@martin.st>
pull/389/head
Logan Lyu 2 years ago committed by Martin Storsjö
parent 74611cdb5c
commit e652e7dcda
2 changed files with 109 additions and 0 deletions
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  1. 5
      libavcodec/aarch64/hevcdsp_init_aarch64.c
  2. 104
      libavcodec/aarch64/hevcdsp_qpel_neon.S

5
libavcodec/aarch64/hevcdsp_init_aarch64.c
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@ -152,6 +152,9 @@ void ff_hevc_put_hevc_qpel_bi_h16_8_neon(uint8_t *_dst, ptrdiff_t _dststride, co
void ff_hevc_put_hevc_##fn##32_8_neon##ext args; \
void ff_hevc_put_hevc_##fn##64_8_neon##ext args; \
NEON8_FNPROTO(pel_uni_pixels, (uint8_t *_dst, ptrdiff_t _dststride,
const uint8_t *_src, ptrdiff_t _srcstride,
int height, intptr_t mx, intptr_t my, int width),);
NEON8_FNPROTO(pel_uni_w_pixels, (uint8_t *_dst, ptrdiff_t _dststride,
const uint8_t *_src, ptrdiff_t _srcstride,
@ -263,6 +266,8 @@ av_cold void ff_hevc_dsp_init_aarch64(HEVCDSPContext *c, const int bit_depth)
c->put_hevc_qpel_bi[8][0][1] =
c->put_hevc_qpel_bi[9][0][1] = ff_hevc_put_hevc_qpel_bi_h16_8_neon;
NEON8_FNASSIGN(c->put_hevc_epel_uni, 0, 0, pel_uni_pixels,);
NEON8_FNASSIGN(c->put_hevc_qpel_uni, 0, 0, pel_uni_pixels,);
NEON8_FNASSIGN(c->put_hevc_epel_uni_w, 0, 0, pel_uni_w_pixels,);
NEON8_FNASSIGN(c->put_hevc_qpel_uni_w, 0, 0, pel_uni_w_pixels,);
NEON8_FNASSIGN_PARTIAL_4(c->put_hevc_qpel_uni_w, 1, 0, qpel_uni_w_v,);

104
libavcodec/aarch64/hevcdsp_qpel_neon.S
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@ -490,6 +490,110 @@ put_hevc qpel
put_hevc qpel_uni
put_hevc qpel_bi
function ff_hevc_put_hevc_pel_uni_pixels4_8_neon, export=1
1:
ldr s0, [x2]
ldr s1, [x2, x3]
subs w4, w4, #2
add x2, x2, x3, lsl #1
str s0, [x0]
str s1, [x0, x1]
add x0, x0, x1, lsl #1
b.hi 1b
ret
endfunc
function ff_hevc_put_hevc_pel_uni_pixels6_8_neon, export=1
sub x1, x1, #4
1:
ldr d0, [x2]
ldr d1, [x2, x3]
subs w4, w4, #2
add x2, x2, x3, lsl #1
str s0, [x0], #4
st1 {v0.h}[2], [x0], x1
str s1, [x0], #4
st1 {v1.h}[2], [x0], x1
b.hi 1b
ret
endfunc
function ff_hevc_put_hevc_pel_uni_pixels8_8_neon, export=1
1:
ldr d0, [x2]
ldr d1, [x2, x3]
subs w4, w4, #2
add x2, x2, x3, lsl #1
str d0, [x0]
str d1, [x0, x1]
add x0, x0, x1, lsl #1
b.hi 1b
ret
endfunc
function ff_hevc_put_hevc_pel_uni_pixels12_8_neon, export=1
sub x1, x1, #8
1:
ldr q0, [x2]
ldr q1, [x2, x3]
subs w4, w4, #2
add x2, x2, x3, lsl #1
str d0, [x0], #8
st1 {v0.s}[2], [x0], x1
str d1, [x0], #8
st1 {v1.s}[2], [x0], x1
b.hi 1b
ret
endfunc
function ff_hevc_put_hevc_pel_uni_pixels16_8_neon, export=1
1:
ldr q0, [x2]
ldr q1, [x2, x3]
subs w4, w4, #2
add x2, x2, x3, lsl #1
str q0, [x0]
str q1, [x0, x1]
add x0, x0, x1, lsl #1
b.hi 1b
ret
endfunc
function ff_hevc_put_hevc_pel_uni_pixels24_8_neon, export=1
1:
ld1 {v0.8b, v1.8b, v2.8b}, [x2], x3
subs w4, w4, #1
st1 {v0.8b, v1.8b, v2.8b}, [x0], x1
b.hi 1b
ret
endfunc
function ff_hevc_put_hevc_pel_uni_pixels32_8_neon, export=1
1:
ld1 {v0.16b, v1.16b}, [x2], x3
subs w4, w4, #1
st1 {v0.16b, v1.16b}, [x0], x1
b.hi 1b
ret
endfunc
function ff_hevc_put_hevc_pel_uni_pixels48_8_neon, export=1
1:
ld1 {v0.16b, v1.16b, v2.16b}, [x2], x3
subs w4, w4, #1
st1 {v0.16b, v1.16b, v2.16b}, [x0], x1
b.hi 1b
ret
endfunc
function ff_hevc_put_hevc_pel_uni_pixels64_8_neon, export=1
1:
ld1 {v0.16b, v1.16b, v2.16b, v3.16b}, [x2], x3
subs w4, w4, #1
st1 {v0.16b, v1.16b, v2.16b, v3.16b}, [x0], x1
b.hi 1b
ret
endfunc
function ff_hevc_put_hevc_pel_uni_w_pixels4_8_neon, export=1
mov w10, #-6

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